(19)

(11)

EP 4 103 344 A1

(12)

(43) Date of publication: 21.12.2022 Bulletin 2022/51 (21) Application number: 21706181.1 (22) Date of filing: 10.02.2021

(51) International Patent Classification (IPC):  B22F 1/02(2006.01) B33Y 70/00(2020.01) B22F 3/105(2006.01) C22C 1/04(2006.01) (52) Cooperative Patent Classification (CPC): B33Y 70/00; C22C 1/0425; C22C 1/0466; B22F 10/00; B22F 2998/10; B22F 2999/00; B22F 10/28; B22F 10/25; Y02P 10/25; B22F 1/17   C-Sets: B22F 2999/00, B22F 1/142, B22F 2201/01; B22F 2999/00, B22F 1/142, B22F 2201/10; B22F 2998/10, B22F 1/142, B22F 1/142; (86) International application number: PCT/EP2021/053229 (87) International publication number: WO 2021/160684 (19.08.2021 Gazette 2021/33)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 11.02.2020 EP 20156537 (71) Applicant: Katholieke Universiteit Leuven KU Leuven Research & Development 3000 Leuven (BE)	(72) Inventors: JADHAV, Suraj, Dinkar 3000 Leuven (BE) VANMEENSEL, Kim 3460 Bekkevoort (BE) (74) Representative: DenK iP bv  Hundelgemsesteenweg 1116 9820 Merelbeke 9820 Merelbeke (BE)